package com.jackykeke.utils;

import android.Manifest;
import android.app.Activity;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.net.Uri;
import android.provider.Settings;
import android.support.annotation.NonNull;
import android.support.v4.app.ActivityCompat;
import android.support.v7.app.AlertDialog;
import android.widget.Toast;


import com.jackykeke.fiveplussdkdemo.R;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * 获取权限
 *
 * @author Vicki
 */
public class PermissionUtils {

    private static final String TAG = PermissionUtils.class.getSimpleName();
    public static final int CODE_RECORD_AUDIO = 0;
    public static final int CODE_GET_ACCOUNTS = 1;
    public static final int CODE_READ_PHONE_STATE = 2;
    public static final int CODE_CALL_PHONE = 3;
    public static final int CODE_CAMERA = 4;
    public static final int CODE_ACCESS_FINE_LOCATION = 5;
    public static final int CODE_ACCESS_COARSE_LOCATION = 6;
    public static final int CODE_READ_EXTERNAL_STORAGE = 7;
    public static final int CODE_WRITE_EXTERNAL_STORAGE = 8;
    public static final int CODE_MULTI_PERMISSION = 100;

    public static final String PERMISSION_RECORD_AUDIO = Manifest.permission.RECORD_AUDIO;
    public static final String PERMISSION_GET_ACCOUNTS = Manifest.permission.GET_ACCOUNTS;
    public static final String PERMISSION_READ_PHONE_STATE = Manifest.permission.READ_PHONE_STATE;
    public static final String PERMISSION_CALL_PHONE = Manifest.permission.CALL_PHONE;
    public static final String PERMISSION_CAMERA = Manifest.permission.CAMERA;
    public static final String PERMISSION_ACCESS_FINE_LOCATION = Manifest.permission.ACCESS_FINE_LOCATION;
    public static final String PERMISSION_ACCESS_COARSE_LOCATION = Manifest.permission.ACCESS_COARSE_LOCATION;
    public static final String PERMISSION_READ_EXTERNAL_STORAGE = Manifest.permission.READ_EXTERNAL_STORAGE;
    public static final String PERMISSION_WRITE_EXTERNAL_STORAGE = Manifest.permission.WRITE_EXTERNAL_STORAGE;
    public static final String PERMISSION_READ_CONTACTS = Manifest.permission.READ_CONTACTS;
    public static final String PERMISSION_WRITE_SETTINGS = Manifest.permission.WRITE_SETTINGS;
    public static final String PERMISSION_SYSTEM_ALERT_WINDOW = Manifest.permission.SYSTEM_ALERT_WINDOW;
	
    public static final String[] requestPermissions = {PERMISSION_RECORD_AUDIO, PERMISSION_GET_ACCOUNTS,
            PERMISSION_READ_PHONE_STATE, PERMISSION_CALL_PHONE, PERMISSION_CAMERA, PERMISSION_ACCESS_FINE_LOCATION,
            PERMISSION_ACCESS_COARSE_LOCATION, PERMISSION_READ_EXTERNAL_STORAGE, PERMISSION_WRITE_EXTERNAL_STORAGE, 
			PERMISSION_READ_CONTACTS,PERMISSION_WRITE_SETTINGS,PERMISSION_SYSTEM_ALERT_WINDOW};

    public interface PermissionGrant {
        void onPermissionGranted(int requestCode);
    }

    /**
     * Requests permission.
     *
     * @param activity
     * @param requestCode request code, e.g. if you need request CAMERA
     *                    permission,parameters is PermissionUtils.CODE_CAMERA
     */
    public static void requestPermission(final Activity activity, final int requestCode,
                                         PermissionGrant permissionGrant) {
        if (activity == null) {
            return;
        }

        L.i(TAG, "requestPermission requestCode:" + requestCode);
        if (requestCode < 0 || requestCode >= requestPermissions.length) {
            L.w(TAG, "requestPermission illegal requestCode:" + requestCode);
            return;
        }

        final String requestPermission = requestPermissions[requestCode];

        // 如果是6.0以下的手机，ActivityCompat.checkSelfPermission()会始终等于PERMISSION_GRANTED，
        // 但是，如果用户关闭了你申请的权限，ActivityCompat.checkSelfPermission(),会导致程序崩溃(java.lang.RuntimeException:
        // Unknown exception code: 1 msg null)，
        // 你可以使用try{}catch(){},处理异常，也可以判断系统版本，低于23就不申请权限，直接做你想做的。permissionGrant.onPermissionGranted(requestCode);
        // if (Build.VERSION.SDK_INT < 23) {
        // permissionGrant.onPermissionGranted(requestCode);
        // return;
        // }

        int checkSelfPermission;
        try {
            checkSelfPermission = ActivityCompat.checkSelfPermission(activity, requestPermission);
        } catch (RuntimeException e) {
            Toast.makeText(activity, "please open this permission", Toast.LENGTH_SHORT).show();
            L.e(TAG, "RuntimeException:" + e.getMessage());
            return;
        }

        if (checkSelfPermission != PackageManager.PERMISSION_GRANTED) {
            L.i(TAG, "ActivityCompat.checkSelfPermission != PackageManager.PERMISSION_GRANTED");

            if (ActivityCompat.shouldShowRequestPermissionRationale(activity, requestPermission)) {
                L.i(TAG, "requestPermission shouldShowRequestPermissionRationale");
                shouldShowRationale(activity, requestCode, requestPermission);

            } else {
                L.d(TAG, "requestCameraPermission else");
                ActivityCompat.requestPermissions(activity, new String[]{requestPermission}, requestCode);
            }

        } else {
            L.d(TAG, "ActivityCompat.checkSelfPermission ==== PackageManager.PERMISSION_GRANTED");
//			Toast.makeText(activity, "opened:" + requestPermissions[requestCode], Toast.LENGTH_SHORT).show();
            permissionGrant.onPermissionGranted(requestCode);
        }
    }

    private static void requestMultiResult(Activity activity, String[] permissions, int[] grantResults,
                                           PermissionGrant permissionGrant) {

        if (activity == null) {
            return;
        }

        // TODO
        L.d(TAG, "onRequestPermissionsResult permissions length:" + permissions.length);
        Map<String, Integer> perms = new HashMap<>();

        ArrayList<String> notGranted = new ArrayList<>();
        for (int i = 0; i < permissions.length; i++) {
            L.d(TAG, "permissions: [i]:" + i + ", permissions[i]" + permissions[i] + ",grantResults[i]:"
                    + grantResults[i]);
            perms.put(permissions[i], grantResults[i]);
            if (grantResults[i] != PackageManager.PERMISSION_GRANTED) {
                notGranted.add(permissions[i]);
            }
        }

        if (notGranted.size() == 0) {
            Toast.makeText(activity, "all permission success" + notGranted, Toast.LENGTH_SHORT).show();
            permissionGrant.onPermissionGranted(CODE_MULTI_PERMISSION);
        } else {
            openSettingActivity(activity, "those permission need granted!");
        }

    }

    // /**
    // * 一次申请多个权限
    // */
    // public static void requestMultiPermissions(final Activity activity,
    // PermissionGrant grant) {
    //
    // final List<String> permissionsList = getNoGrantedPermission(activity,
    // false);
    // final List<String> shouldRationalePermissionsList =
    // getNoGrantedPermission(activity, true);
    //
    // //TODO checkSelfPermission
    // if (permissionsList == null || shouldRationalePermissionsList == null) {
    // return;
    // }
    // L.d(TAG, "requestMultiPermissions permissionsList:" +
    // permissionsList.size() + ",shouldRationalePermissionsList:" +
    // shouldRationalePermissionsList.size());
    //
    // if (permissionsList.size() > 0) {
    // ActivityCompat.requestPermissions(activity, permissionsList.toArray(new
    // String[permissionsList.size()]),
    // CODE_MULTI_PERMISSION);
    // L.d(TAG, "showMessageOKCancel requestPermissions");
    //
    // } else if (shouldRationalePermissionsList.size() > 0) {
    // showMessageOKCancel(activity, "should open those permission",
    // new DialogInterface.OnClickListener() {
    // @Override
    // public void onClick(DialogInterface dialog, int which) {
    // ActivityCompat.requestPermissions(activity,
    // shouldRationalePermissionsList.toArray(new
    // String[shouldRationalePermissionsList.size()]),
    // CODE_MULTI_PERMISSION);
    // L.d(TAG, "showMessageOKCancel requestPermissions");
    // }
    // });
    // } else {
    // grant.onPermissionGranted(CODE_MULTI_PERMISSION);
    // }
    //
    // }

    /**
     * 一次申请多个权限
     */
    public static void requestMultiPermissions(final Activity activity) {

        final List<String> permissionsList = getNoGrantedPermission(activity, false);
        final List<String> shouldRationalePermissionsList = getNoGrantedPermission(activity, true);

        // TODO checkSelfPermission
        if (permissionsList == null || shouldRationalePermissionsList == null) {
            return;
        }
        L.i(TAG, "requestMultiPermissions permissionsList:" + permissionsList.size() + " , "
                + permissionsList.toString() + ",shouldRationalePermissionsList:"
                + shouldRationalePermissionsList.size() + " , " + shouldRationalePermissionsList.toString());

        if (permissionsList.size() > 0) {
            permissionsList.addAll(shouldRationalePermissionsList);
            ActivityCompat.requestPermissions(activity, permissionsList.toArray(new String[permissionsList.size()]),
                    CODE_MULTI_PERMISSION);
            L.i(TAG, "showMessageOKCancel requestPermissions");

        } else if (shouldRationalePermissionsList.size() > 0) {
            // showMessageOKCancel(activity, "should open those permission",
            // new DialogInterface.OnClickListener() {
            // @Override
            // public void onClick(DialogInterface dialog, int which) {
            ActivityCompat.requestPermissions(activity,
                    shouldRationalePermissionsList.toArray(new String[shouldRationalePermissionsList.size()]),
                    CODE_MULTI_PERMISSION);
            L.i(TAG, "showMessageOKCancel requestPermissions");
            // }
            // });
        } else {
            // grant.onPermissionGranted(CODE_MULTI_PERMISSION);
        }

    }

    private static void shouldShowRationale(final Activity activity, final int requestCode,
                                            final String requestPermission) {
        String[] permissionsHint = activity.getResources().getStringArray(R.array.permissions);
        showMessageOKCancel(activity, "Rationale: " + permissionsHint[requestCode],
                new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        ActivityCompat.requestPermissions(activity, new String[]{requestPermission}, requestCode);
                        L.d(TAG, "showMessageOKCancel requestPermissions:" + requestPermission);
                    }
                });
    }

    private static void showMessageOKCancel(final Activity context, String message,
                                            DialogInterface.OnClickListener okListener) {
        new AlertDialog.Builder(context).setMessage(message).setPositiveButton("OK", okListener)
                .setNegativeButton("Cancel", null).create().show();

    }

    /**
     * @param activity
     * @param requestCode  Need consistent with requestPermission
     * @param permissions
     * @param grantResults
     */
    public static void requestPermissionsResult(final Activity activity, final int requestCode,
                                                @NonNull String[] permissions, @NonNull int[] grantResults, PermissionGrant permissionGrant) {

        if (activity == null) {
            return;
        }
        L.d(TAG, "requestPermissionsResult requestCode:" + requestCode);

        if (requestCode == CODE_MULTI_PERMISSION) {
            requestMultiResult(activity, permissions, grantResults, permissionGrant);
            return;
        }

        if (requestCode < 0 || requestCode >= requestPermissions.length) {
            L.w(TAG, "requestPermissionsResult illegal requestCode:" + requestCode);
            Toast.makeText(activity, "illegal requestCode:" + requestCode, Toast.LENGTH_SHORT).show();
            return;
        }

        L.i(TAG, "onRequestPermissionsResult requestCode:" + requestCode + ",permissions:" + permissions.toString()
                + ",grantResults:" + grantResults.toString() + ",length:" + grantResults.length);

        if (grantResults.length == 1 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
            L.i(TAG, "onRequestPermissionsResult PERMISSION_GRANTED");
            // TODO success, do something, can use callback
            permissionGrant.onPermissionGranted(requestCode);

        } else {
            // TODO hint user this permission function
            L.i(TAG, "onRequestPermissionsResult PERMISSION NOT GRANTED");
            // TODO
            String[] permissionsHint = activity.getResources().getStringArray(R.array.permissions);
            openSettingActivity(activity, "Result" + permissionsHint[requestCode]);
        }

    }

    private static void openSettingActivity(final Activity activity, String message) {

        showMessageOKCancel(activity, message, new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
                Intent intent = new Intent();
                intent.setAction(Settings.ACTION_APPLICATION_DETAILS_SETTINGS);
                L.d(TAG, "getPackageName(): " + activity.getPackageName());
                Uri uri = Uri.fromParts("package", activity.getPackageName(), null);
                intent.setData(uri);
                activity.startActivity(intent);
            }
        });
    }

    /**
     * @param activity
     * @param isShouldRationale true: return no granted and
     *                          shouldShowRequestPermissionRationale permissions, false:return
     *                          no granted and !shouldShowRequestPermissionRationale
     * @return
     */
    public static ArrayList<String> getNoGrantedPermission(Activity activity, boolean isShouldRationale) {

        ArrayList<String> permissions = new ArrayList<>();

        for (int i = 0; i < requestPermissions.length; i++) {
            String requestPermission = requestPermissions[i];

            // TODO checkSelfPermission
            int checkSelfPermission = -1;
            try {
                checkSelfPermission = ActivityCompat.checkSelfPermission(activity, requestPermission);
            } catch (RuntimeException e) {
                Toast.makeText(activity, "please open those permission", Toast.LENGTH_SHORT).show();
                L.e(TAG, "RuntimeException:" + e.getMessage());
                return null;
            }

            if (checkSelfPermission != PackageManager.PERMISSION_GRANTED) {
                L.i(TAG, "getNoGrantedPermission ActivityCompat.checkSelfPermission != PackageManager.PERMISSION_GRANTED:"
                        + requestPermission);

                if (ActivityCompat.shouldShowRequestPermissionRationale(activity, requestPermission)) {
                    L.i(TAG, "shouldShowRequestPermissionRationale if");
                    if (isShouldRationale) {
                        permissions.add(requestPermission);
                    }

                } else {

                    if (!isShouldRationale) {
                        permissions.add(requestPermission);
                    }
                    L.i(TAG, "shouldShowRequestPermissionRationale else");
                }

            }
        }

        return permissions;
    }

}
